A place like the Right Livers' Rest was bound to draw freaks, same as molasses draws flies. 1935, George Goodchild, chapter 5, in Death on the Centre Court: By one o'clock the place was choc-a-bloc.
Respiratory infections as well as infections of certain glands can be a cause of excessive saliva, according to the National Library of Medicine. Children with a cold, influenza or nasal allergies may have excessive saliva and drool.
This is not an exact answer to your question, but I feel that many people underestimate the role saliva plays in our lives. The most important things that I can think of are: 1. Clearance of pathogens: on average, a human being will produce 1.5 liters of saliva per day.